src/HOL/Auth/Yahalom.thy
changeset 16417 9bc16273c2d4
parent 14207 f20fbb141673
child 17411 664434175578
--- a/src/HOL/Auth/Yahalom.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/HOL/Auth/Yahalom.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -6,7 +6,7 @@
 
 header{*The Yahalom Protocol*}
 
-theory Yahalom = Public:
+theory Yahalom imports Public begin
 
 text{*From page 257 of
   Burrows, Abadi and Needham (1989).  A Logic of Authentication.